diff --git a/src/js/ads.js b/src/js/ads.js
index bca3bab..bb2ac91 100644
--- a/src/js/ads.js
+++ b/src/js/ads.js
@@ -43,7 +43,7 @@ class VideoAds {
 				});
 
 				googleSdkScript.addEventListener('error', (e) => {
-					reportError(e);
+					this.reportError(e);
 					reject(e);
 				});
 			}
@@ -209,7 +209,7 @@ class VideoAds {
 			this.adsManager.start();
 		} catch (adError) {
 			// An error may be thrown if there was a problem with the VAST response.
-			reportError(adError);
+			this.reportError(adError);
 			this.video.videoEl.play();
 		}
 	}
@@ -329,7 +329,7 @@ class VideoAds {
 
 		// convert the Google Ad error to a JS one
 		const message = `${adError.getErrorCode()}, ${adError.getType()}, ${adError.getMessage()}, ${adError.getVastErrorCode()}`;
-		reportError(new Error(message));
+		this.reportError(new Error(message));
 
 		this.adsManager && this.adsManager.destroy();
 		this.video.containerEl.removeChild(this.adContainerEl);